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thiệu sản phẩm:
- Apollo Series 65 A1R Heat Detector - 55000-122
- The Series 65 Heat Detector monitors temperature by using a dual
thermistor network which provides a voltage output proportional to the external
air temperature. There are 12 heat detectors in the Series 65 range designed to
suit a wide variety of operating conditions. Apollo Series 65 smoke & heat
detector range are a direct replacement for the earlier Series 60 devices.
Series 65 detectors have a wide voltage range (9-33 volt DC) and can be
integrated on to security systems when used with the 12 volt relay base
(45681-508).
- The heat detector operates by using a matched pair of thermistors to sense heat. One thermistor is exposed to the ambient temperature, the other is sealed. In normal conditions, the two thermistors register similar temperatures, but, on the development of a fire, the temperature recorded by the exposed thermistor will increase rapidly, resulting in an imbalance of the thermistors and causing the detector to change to the alarm state.
- The heat detector operates by using a matched pair of thermistors to sense heat. One thermistor is exposed to the ambient temperature, the other is sealed. In normal conditions, the two thermistors register similar temperatures, but, on the development of a fire, the temperature recorded by the exposed thermistor will increase rapidly, resulting in an imbalance of the thermistors and causing the detector to change to the alarm state.
A1R, BR and CR are Rate of Rise detectors, designed to detect a
fire as the temperature increases, but they also have a fixed upper limit at
which the detector will go into alarm if the rate of temperature increase has
been too slow to trigger the detector earlier.
Key Features:
- Can
be used for applications where smoke detectors are unsuitable
- Ideal
for environments that are dirty or smoky under natural conditions
- Wide
operating voltage
- Flashing
LED and magnet operated test switch option
- Wide-operating
voltage of 9–33 V DC
- Wide-operating
and storage temperature of -20°C to +60°C
- Can
be used on security systems
- Electrically
and mechanically compatible with Series 60
- Proven
detection performance
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